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Finding the Third Proportional to 72,973,354 and 158,648,480

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Solution

The third proportional to 72,973,354 and 158,648,480 is: 344,911,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,973,354 : 158,648,480 = 158,648,480 : x
  2. Step 2: Convert to fraction form
    72,973,354/158,648,480 = 158,648,480/x
  3. Step 3: Cross multiply
    72,973,354x = 158,648,480 × 158,648,480
  4. Step 4: Simplify right side
    72,973,354x = 25,169,340,206,310,400
  5. Step 5: Solve for x
    x = 25,169,340,206,310,400/72,973,354
  6. Step 6: Final answer
    x = 344,911,379.66

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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.