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Finding the Third Proportional to 9,118,292.50 and 19,749,719

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Solution

The third proportional to 9,118,292.50 and 19,749,719 is: 42,776,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118,292.50 : 19,749,719 = 19,749,719 : x
  2. Step 2: Convert to fraction form
    9,118,292.50/19,749,719 = 19,749,719/x
  3. Step 3: Cross multiply
    9,118,292.50x = 19,749,719 × 19,749,719
  4. Step 4: Simplify right side
    9,118,292.50x = 390,051,400,578,961
  5. Step 5: Solve for x
    x = 390,051,400,578,961/9,118,292.50
  6. Step 6: Final answer
    x = 42,776,802.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.