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Finding the Third Proportional to 216,859,476.75 and 330,373,881.75

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Solution

The third proportional to 216,859,476.75 and 330,373,881.75 is: 503,307,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,859,476.75 : 330,373,881.75 = 330,373,881.75 : x
  2. Step 2: Convert to fraction form
    216,859,476.75/330,373,881.75 = 330,373,881.75/x
  3. Step 3: Cross multiply
    216,859,476.75x = 330,373,881.75 × 330,373,881.75
  4. Step 4: Simplify right side
    216,859,476.75x = 109,146,901,742,562,976
  5. Step 5: Solve for x
    x = 109,146,901,742,562,976/216,859,476.75
  6. Step 6: Final answer
    x = 503,307,041.86

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.