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Finding the Third Proportional to 710,680 and 1,554,220

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Solution

The third proportional to 710,680 and 1,554,220 is: 3,398,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,680 : 1,554,220 = 1,554,220 : x
  2. Step 2: Convert to fraction form
    710,680/1,554,220 = 1,554,220/x
  3. Step 3: Cross multiply
    710,680x = 1,554,220 × 1,554,220
  4. Step 4: Simplify right side
    710,680x = 2,415,599,808,400
  5. Step 5: Solve for x
    x = 2,415,599,808,400/710,680
  6. Step 6: Final answer
    x = 3,398,997.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.