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Finding the Third Proportional to 8,877,988,483.88 and 19,318,860,545.06

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Solution

The third proportional to 8,877,988,483.88 and 19,318,860,545.06 is: 42,038,618,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,988,483.88 : 19,318,860,545.06 = 19,318,860,545.06 : x
  2. Step 2: Convert to fraction form
    8,877,988,483.88/19,318,860,545.06 = 19,318,860,545.06/x
  3. Step 3: Cross multiply
    8,877,988,483.88x = 19,318,860,545.06 × 19,318,860,545.06
  4. Step 4: Simplify right side
    8,877,988,483.88x = 373,218,372,759,553,245,184
  5. Step 5: Solve for x
    x = 373,218,372,759,553,245,184/8,877,988,483.88
  6. Step 6: Final answer
    x = 42,038,618,707.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.