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Finding the Third Proportional to 8,877,988,486 and 19,318,860,549

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Solution

The third proportional to 8,877,988,486 and 19,318,860,549 is: 42,038,618,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,988,486 : 19,318,860,549 = 19,318,860,549 : x
  2. Step 2: Convert to fraction form
    8,877,988,486/19,318,860,549 = 19,318,860,549/x
  3. Step 3: Cross multiply
    8,877,988,486x = 19,318,860,549 × 19,318,860,549
  4. Step 4: Simplify right side
    8,877,988,486x = 373,218,372,911,708,569,600
  5. Step 5: Solve for x
    x = 373,218,372,911,708,569,600/8,877,988,486
  6. Step 6: Final answer
    x = 42,038,618,714.17

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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.