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Finding the Third Proportional to 717,312 and 1,553,376

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Solution

The third proportional to 717,312 and 1,553,376 is: 3,363,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,312 : 1,553,376 = 1,553,376 : x
  2. Step 2: Convert to fraction form
    717,312/1,553,376 = 1,553,376/x
  3. Step 3: Cross multiply
    717,312x = 1,553,376 × 1,553,376
  4. Step 4: Simplify right side
    717,312x = 2,412,976,997,376
  5. Step 5: Solve for x
    x = 2,412,976,997,376/717,312
  6. Step 6: Final answer
    x = 3,363,915.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.