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Finding the Third Proportional to 1,520,574 and 2,125,854

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Solution

The third proportional to 1,520,574 and 2,125,854 is: 2,972,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,574 : 2,125,854 = 2,125,854 : x
  2. Step 2: Convert to fraction form
    1,520,574/2,125,854 = 2,125,854/x
  3. Step 3: Cross multiply
    1,520,574x = 2,125,854 × 2,125,854
  4. Step 4: Simplify right side
    1,520,574x = 4,519,255,229,316
  5. Step 5: Solve for x
    x = 4,519,255,229,316/1,520,574
  6. Step 6: Final answer
    x = 2,972,071.88

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