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Finding the Third Proportional to 58,448 and 90,528

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Solution

The third proportional to 58,448 and 90,528 is: 140,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,448 : 90,528 = 90,528 : x
  2. Step 2: Convert to fraction form
    58,448/90,528 = 90,528/x
  3. Step 3: Cross multiply
    58,448x = 90,528 × 90,528
  4. Step 4: Simplify right side
    58,448x = 8,195,318,784
  5. Step 5: Solve for x
    x = 8,195,318,784/58,448
  6. Step 6: Final answer
    x = 140,215.56

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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.