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Finding the Third Proportional to 242,428 and 527,582

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Solution

The third proportional to 242,428 and 527,582 is: 1,148,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,428 : 527,582 = 527,582 : x
  2. Step 2: Convert to fraction form
    242,428/527,582 = 527,582/x
  3. Step 3: Cross multiply
    242,428x = 527,582 × 527,582
  4. Step 4: Simplify right side
    242,428x = 278,342,766,724
  5. Step 5: Solve for x
    x = 278,342,766,724/242,428
  6. Step 6: Final answer
    x = 1,148,146.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.