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Finding the Third Proportional to 200,941,124.63 and 432,671,689.69

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Solution

The third proportional to 200,941,124.63 and 432,671,689.69 is: 931,640,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,941,124.63 : 432,671,689.69 = 432,671,689.69 : x
  2. Step 2: Convert to fraction form
    200,941,124.63/432,671,689.69 = 432,671,689.69/x
  3. Step 3: Cross multiply
    200,941,124.63x = 432,671,689.69 × 432,671,689.69
  4. Step 4: Simplify right side
    200,941,124.63x = 187,204,791,057,036,288
  5. Step 5: Solve for x
    x = 187,204,791,057,036,288/200,941,124.63
  6. Step 6: Final answer
    x = 931,640,008.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.