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Finding the Third Proportional to 719,724 and 1,075,621.50

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Solution

The third proportional to 719,724 and 1,075,621.50 is: 1,607,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,724 : 1,075,621.50 = 1,075,621.50 : x
  2. Step 2: Convert to fraction form
    719,724/1,075,621.50 = 1,075,621.50/x
  3. Step 3: Cross multiply
    719,724x = 1,075,621.50 × 1,075,621.50
  4. Step 4: Simplify right side
    719,724x = 1,156,961,611,262.25
  5. Step 5: Solve for x
    x = 1,156,961,611,262.25/719,724
  6. Step 6: Final answer
    x = 1,607,507.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.