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Finding the Third Proportional to 921,895.50 and 2,011,902

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Solution

The third proportional to 921,895.50 and 2,011,902 is: 4,390,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,895.50 : 2,011,902 = 2,011,902 : x
  2. Step 2: Convert to fraction form
    921,895.50/2,011,902 = 2,011,902/x
  3. Step 3: Cross multiply
    921,895.50x = 2,011,902 × 2,011,902
  4. Step 4: Simplify right side
    921,895.50x = 4,047,749,657,604
  5. Step 5: Solve for x
    x = 4,047,749,657,604/921,895.50
  6. Step 6: Final answer
    x = 4,390,681.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.