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Finding the Third Proportional to 887,038 and 1,389,898.50

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Solution

The third proportional to 887,038 and 1,389,898.50 is: 2,177,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,038 : 1,389,898.50 = 1,389,898.50 : x
  2. Step 2: Convert to fraction form
    887,038/1,389,898.50 = 1,389,898.50/x
  3. Step 3: Cross multiply
    887,038x = 1,389,898.50 × 1,389,898.50
  4. Step 4: Simplify right side
    887,038x = 1,931,817,840,302.25
  5. Step 5: Solve for x
    x = 1,931,817,840,302.25/887,038
  6. Step 6: Final answer
    x = 2,177,829.86

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.