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Finding the Third Proportional to 271,674,145.13 and 423,653,707.69

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Solution

The third proportional to 271,674,145.13 and 423,653,707.69 is: 660,653,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,674,145.13 : 423,653,707.69 = 423,653,707.69 : x
  2. Step 2: Convert to fraction form
    271,674,145.13/423,653,707.69 = 423,653,707.69/x
  3. Step 3: Cross multiply
    271,674,145.13x = 423,653,707.69 × 423,653,707.69
  4. Step 4: Simplify right side
    271,674,145.13x = 179,482,464,037,365,696
  5. Step 5: Solve for x
    x = 179,482,464,037,365,696/271,674,145.13
  6. Step 6: Final answer
    x = 660,653,460.25

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.