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Finding the Third Proportional to 385,503,907.50 and 579,110,431.50

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Solution

The third proportional to 385,503,907.50 and 579,110,431.50 is: 869,949,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,503,907.50 : 579,110,431.50 = 579,110,431.50 : x
  2. Step 2: Convert to fraction form
    385,503,907.50/579,110,431.50 = 579,110,431.50/x
  3. Step 3: Cross multiply
    385,503,907.50x = 579,110,431.50 × 579,110,431.50
  4. Step 4: Simplify right side
    385,503,907.50x = 335,368,891,872,116,224
  5. Step 5: Solve for x
    x = 335,368,891,872,116,224/385,503,907.50
  6. Step 6: Final answer
    x = 869,949,397.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.