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Finding the Third Proportional to 680,484 and 1,430,628

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Solution

The third proportional to 680,484 and 1,430,628 is: 3,007,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,484 : 1,430,628 = 1,430,628 : x
  2. Step 2: Convert to fraction form
    680,484/1,430,628 = 1,430,628/x
  3. Step 3: Cross multiply
    680,484x = 1,430,628 × 1,430,628
  4. Step 4: Simplify right side
    680,484x = 2,046,696,474,384
  5. Step 5: Solve for x
    x = 2,046,696,474,384/680,484
  6. Step 6: Final answer
    x = 3,007,706.98

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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.