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Finding the Third Proportional to 155,433,477 and 321,871,937

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Solution

The third proportional to 155,433,477 and 321,871,937 is: 666,533,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,433,477 : 321,871,937 = 321,871,937 : x
  2. Step 2: Convert to fraction form
    155,433,477/321,871,937 = 321,871,937/x
  3. Step 3: Cross multiply
    155,433,477x = 321,871,937 × 321,871,937
  4. Step 4: Simplify right side
    155,433,477x = 103,601,543,828,131,968
  5. Step 5: Solve for x
    x = 103,601,543,828,131,968/155,433,477
  6. Step 6: Final answer
    x = 666,533,013.53

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.