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Finding the Third Proportional to 40,578,584 and 82,574,339

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Solution

The third proportional to 40,578,584 and 82,574,339 is: 168,032,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578,584 : 82,574,339 = 82,574,339 : x
  2. Step 2: Convert to fraction form
    40,578,584/82,574,339 = 82,574,339/x
  3. Step 3: Cross multiply
    40,578,584x = 82,574,339 × 82,574,339
  4. Step 4: Simplify right side
    40,578,584x = 6,818,521,461,286,921
  5. Step 5: Solve for x
    x = 6,818,521,461,286,921/40,578,584
  6. Step 6: Final answer
    x = 168,032,513.44

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.