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Finding the Third Proportional to 121,901,074 and 260,334,410

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Solution

The third proportional to 121,901,074 and 260,334,410 is: 555,975,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,901,074 : 260,334,410 = 260,334,410 : x
  2. Step 2: Convert to fraction form
    121,901,074/260,334,410 = 260,334,410/x
  3. Step 3: Cross multiply
    121,901,074x = 260,334,410 × 260,334,410
  4. Step 4: Simplify right side
    121,901,074x = 67,774,005,030,048,096
  5. Step 5: Solve for x
    x = 67,774,005,030,048,096/121,901,074
  6. Step 6: Final answer
    x = 555,975,454.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.