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Finding the Third Proportional to 71,017,013 and 152,820,309

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Solution

The third proportional to 71,017,013 and 152,820,309 is: 328,851,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017,013 : 152,820,309 = 152,820,309 : x
  2. Step 2: Convert to fraction form
    71,017,013/152,820,309 = 152,820,309/x
  3. Step 3: Cross multiply
    71,017,013x = 152,820,309 × 152,820,309
  4. Step 4: Simplify right side
    71,017,013x = 23,354,046,842,855,480
  5. Step 5: Solve for x
    x = 23,354,046,842,855,480/71,017,013
  6. Step 6: Final answer
    x = 328,851,437.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.