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Finding the Third Proportional to 727,657 and 1,530,715

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Solution

The third proportional to 727,657 and 1,530,715 is: 3,220,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,657 : 1,530,715 = 1,530,715 : x
  2. Step 2: Convert to fraction form
    727,657/1,530,715 = 1,530,715/x
  3. Step 3: Cross multiply
    727,657x = 1,530,715 × 1,530,715
  4. Step 4: Simplify right side
    727,657x = 2,343,088,411,225
  5. Step 5: Solve for x
    x = 2,343,088,411,225/727,657
  6. Step 6: Final answer
    x = 3,220,045.17

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.