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Finding the Third Proportional to 9,318,528 and 19,932,492

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Solution

The third proportional to 9,318,528 and 19,932,492 is: 42,635,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,528 : 19,932,492 = 19,932,492 : x
  2. Step 2: Convert to fraction form
    9,318,528/19,932,492 = 19,932,492/x
  3. Step 3: Cross multiply
    9,318,528x = 19,932,492 × 19,932,492
  4. Step 4: Simplify right side
    9,318,528x = 397,304,237,330,064
  5. Step 5: Solve for x
    x = 397,304,237,330,064/9,318,528
  6. Step 6: Final answer
    x = 42,635,943.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.