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Finding the Third Proportional to 4,492,663.31 and 9,692,070.19

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Solution

The third proportional to 4,492,663.31 and 9,692,070.19 is: 20,908,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492,663.31 : 9,692,070.19 = 9,692,070.19 : x
  2. Step 2: Convert to fraction form
    4,492,663.31/9,692,070.19 = 9,692,070.19/x
  3. Step 3: Cross multiply
    4,492,663.31x = 9,692,070.19 × 9,692,070.19
  4. Step 4: Simplify right side
    4,492,663.31x = 93,936,224,519,426.28
  5. Step 5: Solve for x
    x = 93,936,224,519,426.28/4,492,663.31
  6. Step 6: Final answer
    x = 20,908,805.75

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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.