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Finding the Third Proportional to 913,395.23 and 1,276,981.45

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Solution

The third proportional to 913,395.23 and 1,276,981.45 is: 1,785,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,395.23 : 1,276,981.45 = 1,276,981.45 : x
  2. Step 2: Convert to fraction form
    913,395.23/1,276,981.45 = 1,276,981.45/x
  3. Step 3: Cross multiply
    913,395.23x = 1,276,981.45 × 1,276,981.45
  4. Step 4: Simplify right side
    913,395.23x = 1,630,681,631,625.24
  5. Step 5: Solve for x
    x = 1,630,681,631,625.24/913,395.23
  6. Step 6: Final answer
    x = 1,785,296.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.