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Finding the Third Proportional to 415,539 and 896,688

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Solution

The third proportional to 415,539 and 896,688 is: 1,934,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,539 : 896,688 = 896,688 : x
  2. Step 2: Convert to fraction form
    415,539/896,688 = 896,688/x
  3. Step 3: Cross multiply
    415,539x = 896,688 × 896,688
  4. Step 4: Simplify right side
    415,539x = 804,049,369,344
  5. Step 5: Solve for x
    x = 804,049,369,344/415,539
  6. Step 6: Final answer
    x = 1,934,955.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.