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Finding the Third Proportional to 91,835,444 and 199,812,888

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Solution

The third proportional to 91,835,444 and 199,812,888 is: 434,747,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,835,444 : 199,812,888 = 199,812,888 : x
  2. Step 2: Convert to fraction form
    91,835,444/199,812,888 = 199,812,888/x
  3. Step 3: Cross multiply
    91,835,444x = 199,812,888 × 199,812,888
  4. Step 4: Simplify right side
    91,835,444x = 39,925,190,210,900,544
  5. Step 5: Solve for x
    x = 39,925,190,210,900,544/91,835,444
  6. Step 6: Final answer
    x = 434,747,070.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.