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Finding the Third Proportional to 53,039,128 and 79,232,043

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Solution

The third proportional to 53,039,128 and 79,232,043 is: 118,360,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039,128 : 79,232,043 = 79,232,043 : x
  2. Step 2: Convert to fraction form
    53,039,128/79,232,043 = 79,232,043/x
  3. Step 3: Cross multiply
    53,039,128x = 79,232,043 × 79,232,043
  4. Step 4: Simplify right side
    53,039,128x = 6,277,716,637,953,849
  5. Step 5: Solve for x
    x = 6,277,716,637,953,849/53,039,128
  6. Step 6: Final answer
    x = 118,360,102.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.