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Finding the Third Proportional to 161,411,655 and 256,962,676.50

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Solution

The third proportional to 161,411,655 and 256,962,676.50 is: 409,077,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,411,655 : 256,962,676.50 = 256,962,676.50 : x
  2. Step 2: Convert to fraction form
    161,411,655/256,962,676.50 = 256,962,676.50/x
  3. Step 3: Cross multiply
    161,411,655x = 256,962,676.50 × 256,962,676.50
  4. Step 4: Simplify right side
    161,411,655x = 66,029,817,114,043,656
  5. Step 5: Solve for x
    x = 66,029,817,114,043,656/161,411,655
  6. Step 6: Final answer
    x = 409,077,133.33

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.