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Finding the Third Proportional to 878,622.19 and 1,357,750.69

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Solution

The third proportional to 878,622.19 and 1,357,750.69 is: 2,098,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,622.19 : 1,357,750.69 = 1,357,750.69 : x
  2. Step 2: Convert to fraction form
    878,622.19/1,357,750.69 = 1,357,750.69/x
  3. Step 3: Cross multiply
    878,622.19x = 1,357,750.69 × 1,357,750.69
  4. Step 4: Simplify right side
    878,622.19x = 1,843,486,929,406.72
  5. Step 5: Solve for x
    x = 1,843,486,929,406.72/878,622.19
  6. Step 6: Final answer
    x = 2,098,156.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.