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Finding the Third Proportional to 9,020,648 and 18,927,031

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Solution

The third proportional to 9,020,648 and 18,927,031 is: 39,712,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,648 : 18,927,031 = 18,927,031 : x
  2. Step 2: Convert to fraction form
    9,020,648/18,927,031 = 18,927,031/x
  3. Step 3: Cross multiply
    9,020,648x = 18,927,031 × 18,927,031
  4. Step 4: Simplify right side
    9,020,648x = 358,232,502,474,961
  5. Step 5: Solve for x
    x = 358,232,502,474,961/9,020,648
  6. Step 6: Final answer
    x = 39,712,502.08

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.