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Finding the Third Proportional to 113,358 and 247,440

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Solution

The third proportional to 113,358 and 247,440 is: 540,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,358 : 247,440 = 247,440 : x
  2. Step 2: Convert to fraction form
    113,358/247,440 = 247,440/x
  3. Step 3: Cross multiply
    113,358x = 247,440 × 247,440
  4. Step 4: Simplify right side
    113,358x = 61,226,553,600
  5. Step 5: Solve for x
    x = 61,226,553,600/113,358
  6. Step 6: Final answer
    x = 540,116.74

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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.