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Finding the Third Proportional to 448,724,175 and 689,295,273

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Solution

The third proportional to 448,724,175 and 689,295,273 is: 1,058,841,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,724,175 : 689,295,273 = 689,295,273 : x
  2. Step 2: Convert to fraction form
    448,724,175/689,295,273 = 689,295,273/x
  3. Step 3: Cross multiply
    448,724,175x = 689,295,273 × 689,295,273
  4. Step 4: Simplify right side
    448,724,175x = 475,127,973,380,144,512
  5. Step 5: Solve for x
    x = 475,127,973,380,144,512/448,724,175
  6. Step 6: Final answer
    x = 1,058,841,934.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.