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Finding the Third Proportional to 30,880,422 and 66,001,516

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Solution

The third proportional to 30,880,422 and 66,001,516 is: 141,066,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880,422 : 66,001,516 = 66,001,516 : x
  2. Step 2: Convert to fraction form
    30,880,422/66,001,516 = 66,001,516/x
  3. Step 3: Cross multiply
    30,880,422x = 66,001,516 × 66,001,516
  4. Step 4: Simplify right side
    30,880,422x = 4,356,200,114,298,256
  5. Step 5: Solve for x
    x = 4,356,200,114,298,256/30,880,422
  6. Step 6: Final answer
    x = 141,066,728.76

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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.