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Finding the Third Proportional to 9,290,040 and 20,074,776

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Solution

The third proportional to 9,290,040 and 20,074,776 is: 43,379,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,040 : 20,074,776 = 20,074,776 : x
  2. Step 2: Convert to fraction form
    9,290,040/20,074,776 = 20,074,776/x
  3. Step 3: Cross multiply
    9,290,040x = 20,074,776 × 20,074,776
  4. Step 4: Simplify right side
    9,290,040x = 402,996,631,450,176
  5. Step 5: Solve for x
    x = 402,996,631,450,176/9,290,040
  6. Step 6: Final answer
    x = 43,379,429.09

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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.