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Finding the Third Proportional to 1,989,226 and 4,292,948

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Solution

The third proportional to 1,989,226 and 4,292,948 is: 9,264,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,226 : 4,292,948 = 4,292,948 : x
  2. Step 2: Convert to fraction form
    1,989,226/4,292,948 = 4,292,948/x
  3. Step 3: Cross multiply
    1,989,226x = 4,292,948 × 4,292,948
  4. Step 4: Simplify right side
    1,989,226x = 18,429,402,530,704
  5. Step 5: Solve for x
    x = 18,429,402,530,704/1,989,226
  6. Step 6: Final answer
    x = 9,264,609.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.