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Finding the Third Proportional to 52,426,919.25 and 78,640,389

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Solution

The third proportional to 52,426,919.25 and 78,640,389 is: 117,960,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,426,919.25 : 78,640,389 = 78,640,389 : x
  2. Step 2: Convert to fraction form
    52,426,919.25/78,640,389 = 78,640,389/x
  3. Step 3: Cross multiply
    52,426,919.25x = 78,640,389 × 78,640,389
  4. Step 4: Simplify right side
    52,426,919.25x = 6,184,310,782,071,321
  5. Step 5: Solve for x
    x = 6,184,310,782,071,321/52,426,919.25
  6. Step 6: Final answer
    x = 117,960,598.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.