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Finding the Third Proportional to 181,771,555.50 and 287,875,012.50

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Solution

The third proportional to 181,771,555.50 and 287,875,012.50 is: 455,913,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,771,555.50 : 287,875,012.50 = 287,875,012.50 : x
  2. Step 2: Convert to fraction form
    181,771,555.50/287,875,012.50 = 287,875,012.50/x
  3. Step 3: Cross multiply
    181,771,555.50x = 287,875,012.50 × 287,875,012.50
  4. Step 4: Simplify right side
    181,771,555.50x = 82,872,022,821,875,152
  5. Step 5: Solve for x
    x = 82,872,022,821,875,152/181,771,555.50
  6. Step 6: Final answer
    x = 455,913,042.03

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.