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Finding the Third Proportional to 1,290,124.97 and 1,955,280.52

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Solution

The third proportional to 1,290,124.97 and 1,955,280.52 is: 2,963,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,124.97 : 1,955,280.52 = 1,955,280.52 : x
  2. Step 2: Convert to fraction form
    1,290,124.97/1,955,280.52 = 1,955,280.52/x
  3. Step 3: Cross multiply
    1,290,124.97x = 1,955,280.52 × 1,955,280.52
  4. Step 4: Simplify right side
    1,290,124.97x = 3,823,121,894,782.77
  5. Step 5: Solve for x
    x = 3,823,121,894,782.77/1,290,124.97
  6. Step 6: Final answer
    x = 2,963,373.31

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.