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Finding the Third Proportional to 7,386,420 and 11,346,432

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Solution

The third proportional to 7,386,420 and 11,346,432 is: 17,429,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386,420 : 11,346,432 = 11,346,432 : x
  2. Step 2: Convert to fraction form
    7,386,420/11,346,432 = 11,346,432/x
  3. Step 3: Cross multiply
    7,386,420x = 11,346,432 × 11,346,432
  4. Step 4: Simplify right side
    7,386,420x = 128,741,519,130,624
  5. Step 5: Solve for x
    x = 128,741,519,130,624/7,386,420
  6. Step 6: Final answer
    x = 17,429,488.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.