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Finding the Third Proportional to 73,339,498 and 155,421,487

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Solution

The third proportional to 73,339,498 and 155,421,487 is: 329,370,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,339,498 : 155,421,487 = 155,421,487 : x
  2. Step 2: Convert to fraction form
    73,339,498/155,421,487 = 155,421,487/x
  3. Step 3: Cross multiply
    73,339,498x = 155,421,487 × 155,421,487
  4. Step 4: Simplify right side
    73,339,498x = 24,155,838,621,291,168
  5. Step 5: Solve for x
    x = 24,155,838,621,291,168/73,339,498
  6. Step 6: Final answer
    x = 329,370,111.33

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.