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Finding the Third Proportional to 64,505,572 and 140,348,528

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Solution

The third proportional to 64,505,572 and 140,348,528 is: 305,364,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,505,572 : 140,348,528 = 140,348,528 : x
  2. Step 2: Convert to fraction form
    64,505,572/140,348,528 = 140,348,528/x
  3. Step 3: Cross multiply
    64,505,572x = 140,348,528 × 140,348,528
  4. Step 4: Simplify right side
    64,505,572x = 19,697,709,311,766,784
  5. Step 5: Solve for x
    x = 19,697,709,311,766,784/64,505,572
  6. Step 6: Final answer
    x = 305,364,462.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.