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Finding the Third Proportional to 1,355,136 and 2,946,459

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Solution

The third proportional to 1,355,136 and 2,946,459 is: 6,406,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,136 : 2,946,459 = 2,946,459 : x
  2. Step 2: Convert to fraction form
    1,355,136/2,946,459 = 2,946,459/x
  3. Step 3: Cross multiply
    1,355,136x = 2,946,459 × 2,946,459
  4. Step 4: Simplify right side
    1,355,136x = 8,681,620,638,681
  5. Step 5: Solve for x
    x = 8,681,620,638,681/1,355,136
  6. Step 6: Final answer
    x = 6,406,457.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.