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Finding the Third Proportional to 115,553,428 and 179,501,045

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Solution

The third proportional to 115,553,428 and 179,501,045 is: 278,837,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553,428 : 179,501,045 = 179,501,045 : x
  2. Step 2: Convert to fraction form
    115,553,428/179,501,045 = 179,501,045/x
  3. Step 3: Cross multiply
    115,553,428x = 179,501,045 × 179,501,045
  4. Step 4: Simplify right side
    115,553,428x = 32,220,625,156,092,024
  5. Step 5: Solve for x
    x = 32,220,625,156,092,024/115,553,428
  6. Step 6: Final answer
    x = 278,837,466.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.