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Finding the Third Proportional to 719,276 and 1,073,989

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Solution

The third proportional to 719,276 and 1,073,989 is: 1,603,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,276 : 1,073,989 = 1,073,989 : x
  2. Step 2: Convert to fraction form
    719,276/1,073,989 = 1,073,989/x
  3. Step 3: Cross multiply
    719,276x = 1,073,989 × 1,073,989
  4. Step 4: Simplify right side
    719,276x = 1,153,452,372,121
  5. Step 5: Solve for x
    x = 1,153,452,372,121/719,276
  6. Step 6: Final answer
    x = 1,603,629.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.