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Finding the Third Proportional to 72,294,588 and 156,336,228

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Solution

The third proportional to 72,294,588 and 156,336,228 is: 338,075,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,294,588 : 156,336,228 = 156,336,228 : x
  2. Step 2: Convert to fraction form
    72,294,588/156,336,228 = 156,336,228/x
  3. Step 3: Cross multiply
    72,294,588x = 156,336,228 × 156,336,228
  4. Step 4: Simplify right side
    72,294,588x = 24,441,016,185,267,984
  5. Step 5: Solve for x
    x = 24,441,016,185,267,984/72,294,588
  6. Step 6: Final answer
    x = 338,075,322.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.