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Finding the Third Proportional to 43,256,400 and 66,955,284

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Solution

The third proportional to 43,256,400 and 66,955,284 is: 103,638,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,256,400 : 66,955,284 = 66,955,284 : x
  2. Step 2: Convert to fraction form
    43,256,400/66,955,284 = 66,955,284/x
  3. Step 3: Cross multiply
    43,256,400x = 66,955,284 × 66,955,284
  4. Step 4: Simplify right side
    43,256,400x = 4,483,010,055,520,656
  5. Step 5: Solve for x
    x = 4,483,010,055,520,656/43,256,400
  6. Step 6: Final answer
    x = 103,638,075.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.