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Finding the Third Proportional to 45,421,807.50 and 99,636,675.75

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Solution

The third proportional to 45,421,807.50 and 99,636,675.75 is: 218,561,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421,807.50 : 99,636,675.75 = 99,636,675.75 : x
  2. Step 2: Convert to fraction form
    45,421,807.50/99,636,675.75 = 99,636,675.75/x
  3. Step 3: Cross multiply
    45,421,807.50x = 99,636,675.75 × 99,636,675.75
  4. Step 4: Simplify right side
    45,421,807.50x = 9,927,467,154,510,638
  5. Step 5: Solve for x
    x = 9,927,467,154,510,638/45,421,807.50
  6. Step 6: Final answer
    x = 218,561,693.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.