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Finding the Third Proportional to 19,257,376 and 42,293,312

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Solution

The third proportional to 19,257,376 and 42,293,312 is: 92,885,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257,376 : 42,293,312 = 42,293,312 : x
  2. Step 2: Convert to fraction form
    19,257,376/42,293,312 = 42,293,312/x
  3. Step 3: Cross multiply
    19,257,376x = 42,293,312 × 42,293,312
  4. Step 4: Simplify right side
    19,257,376x = 1,788,724,239,929,344
  5. Step 5: Solve for x
    x = 1,788,724,239,929,344/19,257,376
  6. Step 6: Final answer
    x = 92,885,149.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.