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Finding the Third Proportional to 718,374 and 958,581

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Solution

The third proportional to 718,374 and 958,581 is: 1,279,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,374 : 958,581 = 958,581 : x
  2. Step 2: Convert to fraction form
    718,374/958,581 = 958,581/x
  3. Step 3: Cross multiply
    718,374x = 958,581 × 958,581
  4. Step 4: Simplify right side
    718,374x = 918,877,533,561
  5. Step 5: Solve for x
    x = 918,877,533,561/718,374
  6. Step 6: Final answer
    x = 1,279,107.45

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.