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Finding the Third Proportional to 21,438,246 and 45,988,606.50

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Solution

The third proportional to 21,438,246 and 45,988,606.50 is: 98,653,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,246 : 45,988,606.50 = 45,988,606.50 : x
  2. Step 2: Convert to fraction form
    21,438,246/45,988,606.50 = 45,988,606.50/x
  3. Step 3: Cross multiply
    21,438,246x = 45,988,606.50 × 45,988,606.50
  4. Step 4: Simplify right side
    21,438,246x = 2,114,951,927,811,842.25
  5. Step 5: Solve for x
    x = 2,114,951,927,811,842.25/21,438,246
  6. Step 6: Final answer
    x = 98,653,216.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.