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Finding the Third Proportional to 766,406 and 1,160,211

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Solution

The third proportional to 766,406 and 1,160,211 is: 1,756,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,406 : 1,160,211 = 1,160,211 : x
  2. Step 2: Convert to fraction form
    766,406/1,160,211 = 1,160,211/x
  3. Step 3: Cross multiply
    766,406x = 1,160,211 × 1,160,211
  4. Step 4: Simplify right side
    766,406x = 1,346,089,564,521
  5. Step 5: Solve for x
    x = 1,346,089,564,521/766,406
  6. Step 6: Final answer
    x = 1,756,366.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.