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Finding the Third Proportional to 1,291,318 and 1,637,303

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Solution

The third proportional to 1,291,318 and 1,637,303 is: 2,075,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,318 : 1,637,303 = 1,637,303 : x
  2. Step 2: Convert to fraction form
    1,291,318/1,637,303 = 1,637,303/x
  3. Step 3: Cross multiply
    1,291,318x = 1,637,303 × 1,637,303
  4. Step 4: Simplify right side
    1,291,318x = 2,680,761,113,809
  5. Step 5: Solve for x
    x = 2,680,761,113,809/1,291,318
  6. Step 6: Final answer
    x = 2,075,988.34

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.