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Finding the Third Proportional to 67,926,121 and 149,196,523

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Solution

The third proportional to 67,926,121 and 149,196,523 is: 327,703,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,926,121 : 149,196,523 = 149,196,523 : x
  2. Step 2: Convert to fraction form
    67,926,121/149,196,523 = 149,196,523/x
  3. Step 3: Cross multiply
    67,926,121x = 149,196,523 × 149,196,523
  4. Step 4: Simplify right side
    67,926,121x = 22,259,602,475,289,528
  5. Step 5: Solve for x
    x = 22,259,602,475,289,528/67,926,121
  6. Step 6: Final answer
    x = 327,703,130.22

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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.