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Finding the Third Proportional to 145,659 and 221,528

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Solution

The third proportional to 145,659 and 221,528 is: 336,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,659 : 221,528 = 221,528 : x
  2. Step 2: Convert to fraction form
    145,659/221,528 = 221,528/x
  3. Step 3: Cross multiply
    145,659x = 221,528 × 221,528
  4. Step 4: Simplify right side
    145,659x = 49,074,654,784
  5. Step 5: Solve for x
    x = 49,074,654,784/145,659
  6. Step 6: Final answer
    x = 336,914.68

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.