Home / 198,075,071.25-434,413,894.50

Finding the Third Proportional to 198,075,071.25 and 434,413,894.50

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Solution

The third proportional to 198,075,071.25 and 434,413,894.50 is: 952,747,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,075,071.25 : 434,413,894.50 = 434,413,894.50 : x
  2. Step 2: Convert to fraction form
    198,075,071.25/434,413,894.50 = 434,413,894.50/x
  3. Step 3: Cross multiply
    198,075,071.25x = 434,413,894.50 × 434,413,894.50
  4. Step 4: Simplify right side
    198,075,071.25x = 188,715,431,734,657,120
  5. Step 5: Solve for x
    x = 188,715,431,734,657,120/198,075,071.25
  6. Step 6: Final answer
    x = 952,747,009.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.