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Finding the Third Proportional to 156,748 and 282,376

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Solution

The third proportional to 156,748 and 282,376 is: 508,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748 : 282,376 = 282,376 : x
  2. Step 2: Convert to fraction form
    156,748/282,376 = 282,376/x
  3. Step 3: Cross multiply
    156,748x = 282,376 × 282,376
  4. Step 4: Simplify right side
    156,748x = 79,736,205,376
  5. Step 5: Solve for x
    x = 79,736,205,376/156,748
  6. Step 6: Final answer
    x = 508,690.42

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.