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Finding the Third Proportional to 718,527 and 999,045

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Solution

The third proportional to 718,527 and 999,045 is: 1,389,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,527 : 999,045 = 999,045 : x
  2. Step 2: Convert to fraction form
    718,527/999,045 = 999,045/x
  3. Step 3: Cross multiply
    718,527x = 999,045 × 999,045
  4. Step 4: Simplify right side
    718,527x = 998,090,912,025
  5. Step 5: Solve for x
    x = 998,090,912,025/718,527
  6. Step 6: Final answer
    x = 1,389,079.20

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.