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Finding the Third Proportional to 9,010,290 and 18,659,328

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Solution

The third proportional to 9,010,290 and 18,659,328 is: 38,641,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010,290 : 18,659,328 = 18,659,328 : x
  2. Step 2: Convert to fraction form
    9,010,290/18,659,328 = 18,659,328/x
  3. Step 3: Cross multiply
    9,010,290x = 18,659,328 × 18,659,328
  4. Step 4: Simplify right side
    9,010,290x = 348,170,521,411,584
  5. Step 5: Solve for x
    x = 348,170,521,411,584/9,010,290
  6. Step 6: Final answer
    x = 38,641,433.45

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.