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Finding the Third Proportional to 64,074,695.63 and 139,792,833.28

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Solution

The third proportional to 64,074,695.63 and 139,792,833.28 is: 304,988,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074,695.63 : 139,792,833.28 = 139,792,833.28 : x
  2. Step 2: Convert to fraction form
    64,074,695.63/139,792,833.28 = 139,792,833.28/x
  3. Step 3: Cross multiply
    64,074,695.63x = 139,792,833.28 × 139,792,833.28
  4. Step 4: Simplify right side
    64,074,695.63x = 19,542,036,236,799,356
  5. Step 5: Solve for x
    x = 19,542,036,236,799,356/64,074,695.63
  6. Step 6: Final answer
    x = 304,988,358.45

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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.