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Finding the Third Proportional to 90,056,656 and 212,378,616

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Solution

The third proportional to 90,056,656 and 212,378,616 is: 500,847,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,056,656 : 212,378,616 = 212,378,616 : x
  2. Step 2: Convert to fraction form
    90,056,656/212,378,616 = 212,378,616/x
  3. Step 3: Cross multiply
    90,056,656x = 212,378,616 × 212,378,616
  4. Step 4: Simplify right side
    90,056,656x = 45,104,676,534,075,456
  5. Step 5: Solve for x
    x = 45,104,676,534,075,456/90,056,656
  6. Step 6: Final answer
    x = 500,847,783.36

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.